Serial printer



FIG. 1 is a top, front, right hand side perspective view of the serial printer showing our new design;

FIG. 2 is a front elevation thereof on a reduced scale;

FIG. 3 is a left-hand side elevation thereof on a reduced scale;

FIG. 4 is a right-hand side elevation thereof on a reduced scale;

FIG. 5 is a top plan view thereof on a reduced scale;

FIG. 6 is a rear elevation thereof on a reduced scale;

FIG. 7 is a bottom plan view thereof on a reduced scale. 

The ornamental design for a serial printer, as shown and described. 